package chapter8;

/**
 * Created by lenovo on 2016/3/29.
 */

import java.util.*;
public class Average {
    public static void main(String[] args) {
        Scanner console=new Scanner(System.in);
        double sum=0;
        int count=0;
        while(true){
            try{
                int number=console.nextInt();
                if (number==0){
                    break;
                }
                sum+=number;
                count++;
            }catch(InputMismatchException ex){
                System.out.printf("略过非整数输入：%s%n",console.next());
            }
        }
        System.out.printf("平均%.2f%n",sum/count);
    }
}
